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KMID : 0894520120160020087
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Development & Reproduction
2012 Volume.16 No. 2 p.87 ~ p.93
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Maturation and Spawning of the Female Tongue Sole, Cynoglossus semilaevis in the West Coast of Korea
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Kang Hee-Woong
Kang Duk-Young
Han Hyon-Sob
Lim Han-Kyu
Do Yong-Hyun
Park Jong-Sun
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Abstract
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Reproductive biology (maturation and spawning) of the female tongue sole Cynoglssus semilaevis were examined in 154 specimens caught from the west coast of Korea (between February and November 2010). Monthly changes of gonadosomatic index (GSI) and condition factor (CF) were peaked in September. Hepatosomatic index (HSI) showed a negative correlation with those of the GSI. Ovaries were classified into six stages based on the development of advanced oocyte and histological characteristics: virgin/immature, early developing, developing, late developing, ripe/spawning and spent/regressing stage. The relationship between fecundity (F) and total length (TL) of the fish was expressed as F=251.43TL{0.1264}, and body weight (BW) was expressed as F=1130.4BW-880848. Biological minimum size of female was 46.87 cm (TL).
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KEYWORD
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Cynoglossus semilaevis, Gonadosomatic index, Condition factor, Fecundity, Maturity
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